--- a/fuzz-harness.c	Thu Oct 08 11:00:04 2020 +0800
+++ b/fuzz-harness.c	Sun Oct 18 22:53:44 2020 +0800
@@ -9,7 +9,6 @@
     buffer *input = buf_new(100000);
 
     for (i = 1; i < argc; i++) {
-        printf("arg %s\n", argv[i]);
 #if DEBUG_TRACE
         if (strcmp(argv[i], "-v") == 0) {
             debug_trace = 1;
@@ -30,6 +29,7 @@
         buf_readfile(input, fn);
         buf_setpos(input, 0);
 
+		/* Run twice to catch problems with statefulness */
         fuzz.wrapfds = old_fuzz_wrapfds;
         printf("Running %s once \n", fn);
         LLVMFuzzerTestOneInput(input->data, input->len);